Hudson and Sider's work on extended simples and multilocation demonstrates that Functionality is a substantive metaphysical commitment, not a logical truth, and cannot serve as a premise in a general proof.

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Reasons For

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Reason for

1.Extended simples and multilocation are metaphysically possible, showing that Functionality can be violated without logical contradiction.
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2.If Functionality were logically true, denying it would be self-contradictory; yet Hudson-Sider scenarios are merely substantively controversial.
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3.General proofs require premises that hold across all possible worlds; Functionality fails in some coherent metaphysical models.
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Reasons Against

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Reason against

1.Extended simples may be logically incoherent even if their incoherence requires substantive metaphysical argumentation, not just formal logic.
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2.Showing Functionality is substantive doesn't establish it can't serve as a proof premise—many substantive truths legitimately ground general arguments.
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3.Hudson-Sider work assumes Functionality is contingent, but this assumption itself requires independent justification beyond merely proposing counterexamples.
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Key Terms

General proof(what Functionality cannot be used to establish): A logical argument showing that something must be true in all cases, or for all things of a certain kind.
Hudson and Sider(named philosophers whose research is being cited): Contemporary philosophers who study metaphysics (the nature of reality); their work challenges traditional assumptions about how objects can exist in space.
Metaphysical commitment(describing what accepting an idea requires): A belief you're taking on about how reality fundamentally works—what actually exists and what's possible.
Multilocation(technical concept in metaphysics): The idea that a single object can exist in multiple places at the same time—like a ghost appearing in different rooms simultaneously.
Premise: A premise is a statement or fact that you assume to be true as a starting point for reasoning or making an argument. Think of it as the foundation or building block you use to reach a conclusion—for example, "All dogs are animals" and "My pet is a dog" are premises that lead to the conclusion "My pet is an animal." Premises are essentially the evidence or claims you offer before drawing a final conclusion.
extended simples(Entities that occupy a region of space yet are mereologically simple): Objects or regions that have spatial extension but no proper parts
logical truth(Bolzano's formal definition, inapplicable to purely logical propositions): A proposition is logically true if all of its i^s-variants (substitutions of extra-logical ideas) are true
substantive(classification of linguistic forms by their role in expressing categories of thought): The linguistic form required to express thought's apprehension of independent objects

Connections

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Modality & Possibility1 linked

Exact locations are exactly located only at themselves, meaning chains of exact ...Extended simples and multilocation are metaphysically possible, showing that Fun...Extended simples may be logically incoherent even if their incoherence requires ...General proofs require premises that hold across all possible worlds; Functional...

Details

Type: claim
Perspectives: 2 (1 for, 1 against)
Edits: 1 edit